Dahua DH-CS4228-24GT-375 - 24-портовый гигабитный PoE облачный коммутатор; 24xRJ45 1G (PoE/PoE+/Hi-PoE/802.3bt), 2xRJ45, 2xSFP 1G (uplink); суммарно до 375Вт; PoE watchdog, до 250м; питание: 100–240VAC

Basic

Layer

Layer 2

Switching Capacity

56 Gbps

Packet Forwarding Rate

41.664 Mpps

Description of Function Slots

Port 1-24: 24 × RJ-45 10/100/1000 Mbps (PoE)
Port 25-26: 2 × RJ-45 10/100/1000 Mbps (uplink)
Port 27-28: 2 × SFP 1000 Mbps (uplink)

Operating Temperature

–10 °C to +55 °C (+14 °F to +131 °F)

Operating Humidity

10%–90% (RH), non-condensing

Storage Temperature

-40 °C to +75 °C (-40 °F to +167 °F)

Storage Humidity

5%–95% (RH), non-condensing

Power Supply

Built-in power supply: 100–240 VAC, 47–63 Hz, max 7 A

Power Consumption

Idling: 13.3 W;
Full load: 391.7 W

Statics Protection

Air discharge: 8 kV
Contact discharge: 6 kV

Lightning Protection

Common mode: 6 kV
Differential mode: 1 kV

Net Weight

2.7 kg (5.95 lb)

Gross Weight

3.5 kg (7.72 lb)

Product Dimensions

440 mm × 228.81 mm × 43.65 mm (17.32" × 9.01" × 1.72") (L × W × H)

Packaging Dimensions

540 mm × 342 mm × 90 mm (21.26" × 13.46" × 3.54") (L × W × H)

Casing Material

Sheet metal

Installation

Desktop mount; rack mount

Certifications

CE

PoE

PoE

Yes

PoE Power

Port 5-24≤30 W, port 1-4≤90 W, total≤375 W

PoE Protocol

IEEE 802.3af; IEEE 802.3at; Hi-PoE; IEEE 802.3bt

PoE Power Consumption Management

PoE power consumption management; PoE power on/off; turns off PoE if overload is detected

PoE Pin Assignment

Port 1-2: 1,2,4,5 (V+),3,6,7,8 (V-)
Port 3-16: 1,2, (V+), 3,6, (V-)

Long Distance PoE Transmission

Yes

Hardware

DIP Switch

Managed Mode: On by default for both local web and cloud management. Off for Unmanaged Mode.
PoE Watchdog: Monitors ports 1-24 and auto-restarts the PoE port when there is no traffic for 2 min. (Only works when Managed Mode is Off)
Extend Mode: Ports 1-24; transmission distance up to 250 meters at 10 Mbps. (Only works when Managed Mode is Off)

Reset Button

1

Performance

MTBF

967,753 hours

Packet Buffer Size

4 Mbit

Jumbo Frame

15360 Byte

MAC Table Size

8K

Communication Standard

IEEE 802.3; IEEE 802.3u; IEEE 802.3x; IEEE 802.3ab; IEEE 802.3z; IEEE 802.3az; IEEE 802.3ad

VLAN Number

32

Feature

Ethernet Loop Protection

STP; RSTP

VLAN Function

IEEE 802.1Q VLAN

Link Aggregation

Static Aggregation

Port Feature

IEEE 802.3x Flow Control
Unknown Unicast Suppression
Multicast Storm Control
Broadcast Storm Control
MAC+Port Binding
Loop Prevention

Mirror

Local Port Mirroring
N:1 Mirroring

Reliability

LLDP

DHCP Function

DHCP Client

Security

Port Isolation

Equipment Management

Web Management
Cloud Management
Logs
Fault Alarm

General

Packing List

1 × User Manual
1 × Legal and Regulatory Information
1 × Power Cord
1 × Rack-mounting Kit

Ordering Information

Type

Model

Description

SFP module

GSFP-1310T-20-SMF

1.25G 1310/1550nm,20km,LC, Single-mode

GSFP-1310R-20-SMF

1.25G 1550/1310nm,20km,LC, Single-mode

GSFP-1310-20-SMF

1.25G 1310nm,20km,LC, Single-mode

GSFP-850-MMF

1.25G 850nm,550m,LC, Multi-mode

Transmission Performance:

Switch power supply voltage 54V.
CAT6. Max. DC resistance < 8 Ω/100 m

Cable(m)

Load Capacity(W)

IEEE802.3bt 90 W

100

71.3

150

62

200

51

250

40

Hi-PoE 60 W

100

46

150

42

200

37

250

32

IEEE802.3at 30 W

100

25.5

150

25.5

200

25.5

250

24

Note: Data from this table was collected by Dahua test lab and is for reference only .
The actual transmission distance may vary due to power consumption of connected devices or the cable type and status.